﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;

namespace DLLCOM
{
    [ComVisible(true)]
    public interface ITransaction
    {
        [DispId(1)]
        void Connect(string connectString);
        void Disconnect();
        string GetVersion();
        string Add(int a, int b);
        string Multi(int a, int b);
        string Factorial(int a);
    }
}
